20180835712

素因数分解:

$2^7\times {\mathrm{19}}^2\times {\mathrm{436739}}^1$

素因数の和:436791

約数の個数: 48

約数和(自身を含む): 42431474700

約数和(自身を除く): 22250638988

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 361, 608, 722, 1216, 1444, 2432, 2888, 5776, 11552, 23104, 46208, 436739, 873478, 1746956, 3493912, 6987824, 8298041, 13975648, 16596082, 27951296, 33192164, 55902592, 66384328, 132768656, 157662779, 265537312, 315325558, 531074624, 630651116, 1062149248, 1261302232, 2522604464, 5045208928, 10090417856, 20180835712]

約数ペア:

[(1, 20180835712), (2, 10090417856), (4, 5045208928), (8, 2522604464), (16, 1261302232), (19, 1062149248), (32, 630651116), (38, 531074624), (64, 315325558), (76, 265537312), (128, 157662779), (152, 132768656), (304, 66384328), (361, 55902592), (608, 33192164), (722, 27951296), (1216, 16596082), (1444, 13975648), (2432, 8298041), (2888, 6987824), (5776, 3493912), (11552, 1746956), (23104, 873478), (46208, 436739)]